National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

82°F

28°C

Humidity 26%
Wind Speed NW 16 G 30 mph
Barometer 29.76 in (1008.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 3:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 23 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Light northwest wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 75. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 61. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Northwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 58. Light northwest wind.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 75. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 61. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Friday Night
A chance of thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.2°W (Elev. 751 ft)
Last Update:
2:28 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation